Finding the Fourth Proportional to 106,187.44, 146,535.97 and 57,787.31
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Solution
The fourth proportional to 106,187.44, 146,535.97 and 57,787.31 is: 79,745.02
Step by Step Solution
- Step 1: Write the proportion equation
106,187.44 : 146,535.97 = 57,787.31 : x - Step 2: Convert to fraction form
106,187.44/146,535.97 = 57,787.31/x - Step 3: Cross multiply
106,187.44x = 146,535.97 × 57,787.31 - Step 4: Simplify right side
106,187.44x = 8,467,919,524.54 - Step 5: Solve for x
x = 8,467,919,524.54/106,187.44 - Step 6: Final answer
x = 79,745.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.